131104343 has 4 divisors (see below), whose sum is σ = 131175000. Its totient is φ = 131033688.

The previous prime is 131104339. The next prime is 131104349. The reversal of 131104343 is 343401131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131104343 - 2² = 131104339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131104349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32468 + ... + 36281.

It is an arithmetic number, because the mean of its divisors is an integer number (32793750).

Almost surely, 2^131104343 is an apocalyptic number.

131104343 is a deficient number, since it is larger than the sum of its proper divisors (70657).

131104343 is an equidigital number, since it uses as much as digits as its factorization.

131104343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70656.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 131104343 is about 11450.0804800665. The cubic root of 131104343 is about 508.0101148605.

Adding to 131104343 its reverse (343401131), we get a palindrome (474505474).

The spelling of 131104343 in words is "one hundred thirty-one million, one hundred four thousand, three hundred forty-three".